[Greenbuilding] R12 for 3" of Roxul Comfortboard IS..

Sacie Lambertson sacie.lambertson at gmail.com
Mon May 2 08:14:43 MDT 2016


Mike, thanks for the info on straw/slip walls.  I did not recognize the
'chip 'n slip' phrase.  Looks like an excellent method for do it
yourselfers building in the right climate.

Sacie

On Sat, Apr 30, 2016 at 4:49 PM, Michael O'Brien <obrien at hevanet.com> wrote:

> Hi, Sacie—
>
> Here are some photos of our chip 'n slip walls:
>
> https://www.flickr.com/photos/mikeobrienpdx/albums/72157625195842336
>
> Best,
>
> Mike
>
> On Apr 30, 2016, at 2:12 PM, Sacie Lambertson <sacie.lambertson at gmail.com>
> wrote:
>
> As I've been hitting hard the info on Roxul vs Zip Sheathing vs an
> interesting John Straube wall plan that is deceptively simple (mostly blown
> foam), I too am interested in the responses to using these materials.
>
> Not so much interested in Passiv as near net zero.
>
> Don't know what 'chip and slip' is though.
>
> Sacie
>
>
>
> On Sat, Apr 30, 2016 at 2:47 PM, Koehn Chris <chris at koehn.com> wrote:
>
>> Following this discussion with some interest. Beginning stages of
>> designing a small home with the aim of achieving Passive House using
>> (mostly) natural- or healthy- materials.
>> We built a house recently using 12” deep Larsen trusses with full “chip
>> and slip” infill with clay plaster finishes. Great material, very labour
>> intensive, dries slowly, not the highest insulative values (a problem with
>> Passive House).
>> So we’re keen to experiment with Roxul board (or other?) for a chunk of
>> the wall, maintaining a 4-6” layer of chip and slip, presumably interior,
>> to reap the hygroscopic benefits of the clay.
>>
>> Any thoughts or experiences with such a wall?
>>
>> We’re on Vancouver Island, so pretty low Delta T (at least for Canada)
>> but nearly as many heating degree days as colder climes back east.
>>
>> Cheers,
>>
>> Chris Koehn
>>
>>
>>
>>
>>
>>
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>
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